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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1623967Generated: October 25, 2026

(2S)-2-Amino-3,3-dimethyl-1-butanol → (1aS,5aS)-2-Pyrazin-2-yl-1a,2,5,5a-tetrahydro-1H-2,3-diaza-cyclopropa[a]pentalene-4-carboxylic Acid ((S)-1-Hydroxymethyl-2,2-dimethyl-propyl)-amide

https://huagongshe.com/reaction/1623967

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(2S)-2-Amino-3,3-dimethyl-1-butanolHCID 2734079—
Reactant(4AS,5aS)-1-(pyrazin-2-yl)-4,4a,5,5a-tetrahydro-1H-cyclopropa[4,5]cyclopenta[1,2-c]pyrazole-3-carboxylic acidHCID 68004668—
Product(1aS,5aS)-2-Pyrazin-2-yl-1a,2,5,5a-tetrahydro-1H-2,3-diaza-cyclopropa[a]pentalene-4-carboxylic Acid ((S)-1-Hydroxymethyl-2,2-dimethyl-propyl)-amideHCID 60168437—

Reaction Steps

The title compound was prepared in a manner similar to that described in Method G, using (1aS,5aS)-2-(pyrazin-2-yl)-1a,2,5,5a-tetrahydro-1H-2,3-diaza-cyclopropa[a]pentalene-4-carboxylic acid and (S)-2-amino-3,3-dimethylbutan-1-ol. LCMS m/z=342.2 [M+H]+; 1H NMR (400 MHz, CDCl3) δ ppm 0.48 (td, J=4.6, 3.4 Hz, 1H), 1.05 (s, 9H), 1.24 (td, J=8.0, 4.7 Hz, 1H), 2.26-2.32 (m, 1H), 2.74-2.78 (m, 1H), 2.94 (d, J=16.8 Hz, 1H), 3.01 (dd, J=16.7, 6.1 Hz, 1H), 3.67-3.72 (m, 1H), 3.93-3.98 (m, 2H), 7.08 (d, J=8.5 Hz, 1H), 8.42 (dd, J=1.4, 0.9 Hz, 1H), 8.51 (d, J=2.7 Hz, 1H), 9.26 (d, J=1.1 Hz, 1H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08778950B2
Source datasetuspto-grants-2014_07
ORD IDord-550c9890bd0d42beba0e6d1b86e0f753
Source noteuspto-grants-2014_07